Al-Qahir

al-Qahir (899-950) was the Abbasid Caliph from 31 October 932 to 19 April 934, succeeding al-Muqtadir and preceding ar-Radi.

Biography
al-Qahir was the son of al-Mu'tadid, and he was chosen to succeed his murdered brother al-Muqtadir as the Abbasid caliph by his courtiers, who feared al-Muqtadir's sons' revenge. He was a cruel ruler, torturing the mother of al-Muqtadir and his sons and favorites to squeeze them of their wealth, and he acted godlike. He even had his nephew walled up alive and killed. al-Qahir was blinded by his rebellious courtiers and deposed in 934, and he died in prison in 950.